Table 1.
Overview of measurements and used methods
| Measurements | Measurement tool (number of measures per occasion) | T0 | T1 | T2 | T3 | |
|---|---|---|---|---|---|---|
| Retrosp. | Prosp. | |||||
| Anthropometrics (parents) | ||||||
| Body weight | TANITA Scale (once) | X | X | X | X | |
| Body height | SECA Stadiometer (twice) | X | X | X | X | |
| Self-reported weight and height | Questionnaire | X | X | X | X | X |
| Body composition | TANITA Bio-electrical Impedance Analyzer (once) | X | X | X | X | |
| Skin folds (biceps, triceps, subscapular and supraspinal) | Harpenden skinfold caliper (twice) | X | X | X | X | |
| Waist circumference | Cescorf measuring tape (twice) | X | X | X | X | |
| Hip circumference | Cescorf measuring tape (twice) | X | X | X | X | |
| Anthropometrics (new-born) | ||||||
| Body weight | SECA Baby Scale | X | X | X | ||
| Length | SECA Measuring board (twice) | X | X | X | ||
| Head and upper arm circumferences | Cescorf measuring tape (twice) | X | X | X | ||
| Skin folds (biceps, triceps, subscapular and suprailiac) | Harpenden skinfold caliper (twice) | X | X | X | ||
| EBRB and other health related factors | ||||||
| Weight control behaviour | Questionnaire | X | X | X | X | X |
| Changes in dietary and physical activity behaviour since pregnancy | Questionnaire | X | ||||
| Dietary intake | Questionnaire: 22-item FFQ | X | X | X | X | |
| Self-reported physical activity | Questionnaire: IPAQ | X | X | X | X | |
| Context-specific sedentary behaviour | Questionnaire | X | X | X | X | |
| Objective physical activity and sedentary behaviour (7 days) | Accelerometry (Actigraph) | X | X | X | X | |
| Smoking habits | Questionnaire | X | X | X | X | X |
| Sleeping pattern and fatigue | Questionnaire | X | X | X | X | X |
| Psychosocial | ||||||
| Partner support for diet and exercise behaviour | Questionnaire | X | X | X | X | |
| Psychological wellbeing | Questionnaire: EPDS and GMDS | X | X | X | X | |
| Socio-demographics and other sample characteristics | ||||||
| Breastfeeding and contraception use | Questionnaire | X | X | X | ||
| Medical conditions (high blood pressure, high cholesterol, heart and vascular diseases, cancer, sport injuries, depression, chronical fatigue, insomnia) | Questionnaire | X | X | X | X | |
| Emesis/Nausea | Questionnaire: PUQE | X | ||||
| Socio-demographics (e.g. age, ethnicity, level of education, employment and marital status) | Questionnaire | X | X | X | X | |
| Pre-pregnancy weight, fertility treatment | Medical Record | X | ||||
| Complications during pregnancy (e.g. pregnancy diabetes, pre-eclampsia, hypertension), pregnancy weight gain, way of delivery (natural, cesarean section) and new-born birthweight | Medical Record | X | ||||
IPAQ International Physical Activity Questionnaire, FFQ Food Frequency Questionnaire, EPDS Edinburgh Postnatal Depression Scale, GMDP Gotland Male Depression Scale, PUQE Pregnancy-Unique Quantification of Emesis/Nausea